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You are here: Home / Photography / Color Blindness: How it affects Christmas

Color Blindness: How it affects Christmas

29/12/2016 by Stephanos 4 Comments

Color Blindness

Color has a significant role in our lives.

Colors are amazing and give so much meaning to our everyday life. Without them, life, would be boring and dull. They can affect all of our senses, and our emotional world! Color can awaken memories, feelings good or bad and can make us happy or miserable at the same time.

Have you ever imagined how color affects color blind people?

Color blind people are not able to see specific color or any colors at all. There are different types and causes of color blindness. For the vast majority of people with deficient color vision, this condition is genetic and is inherited from their mother, although some people become color blind as a result of other disease or medication. I was intrigued by this matter, during these Christmas holidays, when a friend of mine, confessed he is color blind! All of a sudden my shock turned into curiosity – in a good sense – and I wanted to look more into it. Being a photographer this gave me a subject to work on.

Traditionally, Christmas is all about Green Christmas trees decorated with different color ornaments, red, gold, silver and blue. So how do color blind people see all these? The most common type of color blindness that affects people relates to green and red color. I am giving you a brief explanation below for the color blindness types and further down some pictures as seen by color blind people.

 I am quoting below a brief explanation, as given by the National Eye Institute, for the different types of color blindness followed by some pictures to illustrate how color blind people perceive an image

Red-Green Color Blindness

The most common types of hereditary color blindness are due to the loss or limited function of red cone (known as protan) or green cone (deutran) photopigments. This kind of color blindness is commonly referred to as red-green color blindness.

  • Protanomaly: In males with protanomaly, the red cone photopigment is abnormal. Red, orange, and yellow appear greener and colors are not as bright. This condition is mild and doesn’t usually interfere with daily living. Protanomaly is an X-linked disorder estimated to affect 1 percent of males.
  • Protanopia: In males with protanopia, there are no working red cone cells. Red appears as black. Certain shades of orange, yellow, and green all appear as yellow. Protanopia is an X-linked disorder that is estimated to affect 1 percent of males.
  • Deuteranomaly: In males with deuteranomaly, the green cone photopigment is abnormal. Yellow and green appear redder and it is difficult to tell violet from blue. This condition is mild and doesn’t interfere with daily living. Deuteranomaly is the most common form of color blindness and is an X-linked disorder affecting 5 percent of males.
  • Deuteranopia: In males with deuteranopia, there are no working green cone cells. They tend to see reds as brownish-yellow and greens as beige. Deuteranopia is an X-linked disorder that affects about 1 percent of males.

Blue-Yellow Color Blindness

Blue-yellow color blindness is rarer than red-green color blindness. Blue-cone (tritan) photopigments are either missing or have limited function.

  • Tritanomaly: People with tritanomaly have functionally limited blue cone cells. Blue appears greener and it can be difficult to tell yellow and red from pink. Tritanomaly is extremely rare. It is an autosomal dominant disorder affecting males and females equally.
  • Tritanopia: People with tritanopia, also known as blue-yellow color blindness, lack blue cone cells. Blue appears green and yellow appears violet or light grey. Tritanopia is an extremely rare autosomal recessive disorder affecting males and females equally.

Complete color blindness

People with complete color blindness (monochromacy) don’t experience color at all and the clearness of their vision (visual acuity) may also be affected.

There are two types of monochromacy:

  • Cone monochromacy: This rare form of color blindness results from a failure of two of the three cone cell photopigments to work. There is red cone monochromacy, green cone monochromacy, and blue cone monochromacy. People with cone monochromacy have trouble distinguishing colors because the brain needs to compare the signals from different types of cones in order to see color. When only one type of cone works, this comparison isn’t possible. People with blue cone monochromacy, may also have reduced visual acuity, near-sightedness, and uncontrollable eye movements, a condition known as nystagmus. Cone monochromacy is an autosomal recessive disorder.
  • Rod monochromacy or achromatopsia: This type of monochromacy is rare and is the most severe form of color blindness. It is present at birth. None of the cone cells have functional photopigments. Lacking all cone vision, people with rod monochromacy see the world in black, white, and gray. And since rods respond to dim light, people with rod monochromacy tend to be photophobic – very uncomfortable in bright environments. They also experience nystagmus. Rod monochromacy is an autosomal recessive disorder.

Photos in different views

Each photo below has 9 versions:

  1. Normal Vision
  2. Protanomaly – Weak Red
  3. Deuteranomaly – Weak Green
  4. Tritanomaly – Weak Blue-Yellow
  5. Protanopia – Red Color Blind
  6. Deuteranopia – Green Color Blind
  7. Tritanopia – Blue-Yellow Color Blind
  8. Monochromacy/Achromatopsia – Full Color Blind
  9. Blue Cone Monochromacy

The versions have been sorted in the same way for all photos so it will be easier for you to see the differences.

Please bare in mind that the versions are automatically rotated so you have to scroll back to the original version to see the differences between the image with normal vision and the various types of color blindness

 

Christmas Tree - Normal Christmas Tree - Protanomaly Christmas Tree - Deuteranomaly Christmas Tree - Tritanomaly Christmas Tree - Protanopia Christmas Tree - Deuteranopia Christmas Tree - Tritanopia Christmas Tree - Monochromacy Achromatopsia Christmas Tree - Blue Cone Monochromacy

 

 

Red Christmas Ball - Normal Red Christmas Ball - Protanomaly Red Christmas - Deuteranomaly Red Christmas Ball - Tritanomaly Red Christmas Ball - Protanopia Red Christmas Ball - Deuteranopia Red Christmas Ball - Tritanopia Red Christmas Ball - Monochromacy Achromatopsia Red Christmas Ball - Blue Cone Monochromacy

 

 

Blue Christmas Ball - Normal Blue Christmas Ball - Protanomaly Blue Christmas Ball - Deuteranomaly Blue Christmas Ball - Tritanomaly Blue Christmas Ball - Protanopia Blue Christmas Ball - Deuteranopia Blue Christmas Ball - Tritanopia Blue Christmas Ball - Monochromacy Achromatopsia Blue Christmas Ball - Ball Blue Cone Monochromacy

 

 

Colorful Chili Peppers - Normal Colorful Chilli Peppers - Protanomaly Colorful Chilli Peppers - Deuteranomaly Colorful Chilli Peppers - Tritanomaly Colorful Chilli Peppers - Protanopia Colorful Chilli Peppers - Deuteranopia Colorful Chilli Peppers - Tritanopia Colorful Chilli Peppers - Monochromacy Achromatopsia Colorful Chilli Peppers - Blue Cone Monochromacy

 

 

Cyprus Rally 2016 Castrol Edge - Normal Cyprus Rally 2016 Castrol Edge - Protanomaly Cyprus Rally 2016 Castrol Edge - Deuteranomaly Cyprus Rally 2016 Castrol Edge - Tritanomaly Cyprus Rally 2016 Castrol Edge - Protanopia Cyprus Rally 2016 Castrol Edge - Deuteranopia Cyprus Rally 2016 Castrol Edge - Tritanopia Cyprus Rally 2016 Castrol Edge - Monochromacy Achromatopsia Cyprus Rally 2016 Castrol Edge - Blue Cone Monochromacy

 

 

Limassol Coast View at Night - Normal Limassol Coast View At Night - Protanomaly Limassol Coast View At Night - Deuteranomaly Limassol Coast View At Night - Tritanomaly Limassol Coast View At Night - Protanopia Limassol Coast View At Night - Deuteranopia Limassol Coast View At Night - Tritanopia Limassol Coast View At Night - Monochromacy Achromatopsia Limassol Coast View At Night - Blue Cone Monochromacy

 

 

Molos Park Night View - Normal Molos Park Night View - Protanomaly Molos Park Night View - Deuteranomaly Molos Park Night View - Tritanomaly Molos Park Night View - Protanopia Molos Park Night View - Deuteranopia Molos Park Night View - Tritanopia Molos Park Night View - Monochromacy Achomatopsia Molos Park Night View - Blue Cone Monochromacy

 

 

Pomegranate Luck - Normal Pomegranate Luck - Protanomaly Pomegranate Luck - Deuteranomaly Pomegranate Luck - Tritanomaly Pomegranate Luck - Protanopia Pomegranate Luck - Deuteranopia Pomegranate Luck - Tritanopia Pomegranate Luck - Monochromacy Achromatopsia Pomegranate Luck - Blue Core Monochromacy

 

 

Rotten Chilli - Normal Rotten Chilli - Protanomaly Rotten Chilli - Deuteranomaly Rotten Chilli - Tritanomaly Rotten Chilli - Protanopia Rotten Chilli - Deuteranopia Rotten Chilli - Tritanopia Rotten Chilli - Monochromacy Achromatopsia Rotten Chilli - Blue Cone Monochromacy

 

 

Sunset Above Trees - Normal Sunset Above Trees - Protanomaly Sunset Above Trees - Deuteranomaly Sunset Above Trees - Tritanomaly Sunset Above Trees - Protanopia Sunset Above Trees - Deuteranopia Sunset Above Trees -Tritanopia Sunset Above Trees - Monochromacy Achromatopsia Sunset Above Trees - Blue Cone Monochromacy

 

 

As you can see above, color blind people see things differently and in my opinion it is good to know the different ways they understand color.

Feel free to leave you comments below.

Thank you

 

Filed Under: Photography Tagged With: Art, Blue Color, Color Blind, Color Blindness, Colors, Colour, Colours, Design, Disabilities, Disability, Green Color, Photography, Red Color, Yellow Color

Comments

  1. Neophytos S Neophytou says

    31/12/2016 at 09:47

    Great article Stephanos! Very interesting to read. This article of course is intended for people with normal vision, because for me for ex. I would still see the photos here in a different way than the rest, ????
    Great work! It is a very interesting read!

    Reply
    • Stephanos says

      31/12/2016 at 09:56

      Thank you Neophytos. Much appreciated.

      Reply
  2. maria says

    02/01/2017 at 10:39

    Very interesting article!

    Reply
    • Stephanos says

      02/01/2017 at 11:15

      Thank you Maria.

      Reply

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